Today | Weather | Tuesday, October 13, 2026

Weather in Flagstaff, Arizona

04:24 PM
Now
Cloudy Weather
52° F
Feels Like 45°
Precipitation 45 %
Wind 18 mph
UV Index (0 - 11+) 2
Humidity 68 %
Today
Rainy Weather
Day 54°
Night 30°
Precipitation 100 %
Wind 21 mph
UV Index (0 - 11+) 2
Tomorrow Morning Frost 5 AM – 7 AM

Flagstaff Weather Forecast Updated

Last updated on
Weather Forecast History
Last Year's Weather on This Day (October 13, 2025)
Stormy Weather

Day

63°

Night

45°

Wind

14 mph

Precipitation

55 %

Air Quality in Flagstaff

NOW
45 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 4.11 µg/m³
PM10 16.25 µg/m³
O3 0.048 ppm
NO2 0.6 ppb
SO2 0.1 ppb
CO 0.09 ppm
NH3 0.16 µg/m³
NO 0.2 µg/m³
PM2.5 – Fine particles <2.5μm
PM10 – Inhalable particles <10μm
O3 – Ozone
NO2 – Nitrogen dioxide
SO2 – Sulfur dioxide
CO – Carbon monoxide
NH3 – Ammonia
NO – Nitric oxide

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

Show raw pollutant concentrations (µg/m³)
PM2.5 – 4.11 µg/m³
PM10 – 16.25 µg/m³
O3 – 94.59 µg/m³
NO2 – 1.16 µg/m³
SO2 – 0.27 µg/m³
CO – 103.02 µg/m³
NH3 – 0.16 µg/m³
NO – 0.2 µg/m³